<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<style type="text/css">
    .test1{
      background-color: #e5e5e5;
      width: 800px;
    }
    .test2{
      position: relative;
      /*height: 300px;*/
      width: 200px;
      background-color: #45CAFF;
      /*height: auto;*/
    }
    .test3{
      height: 300px;
      width: 200px;
      background-color: #45CAFF;
    }
    .test4{
      height: 800px;
      width: 500px;
      background-color: #e93b3d;
    }
	</style>
	<body>
  <div class="test1">
     <div class="test2">
       <div class="test4">
       </div>
     </div>
     <div class="test3">
    </div>
  </div>
	</body>
</html>
